package com.cc.sanjieduan.security.handlers;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.cc.sanjieduan.dto.R;
import com.cc.sanjieduan.exceptions.ResultCode;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public class MyLoginFailureHandlder implements AuthenticationFailureHandler {

    private ObjectMapper objectMapper;

    @Autowired
    public void setObjectMapper(ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        response.setContentType("application/json;charset=utf-8");
        R r = R.setError(ResultCode.USERNAME_PASSOERD_ERROR, "用户名或者密码错误");
        response.getWriter().write(objectMapper.writeValueAsString(r));
    }
}
